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horsena [70]
4 years ago
13

Please help me. Explanation needed.

Mathematics
2 answers:
Lady_Fox [76]4 years ago
6 0

Answer:

D, 1250 square feet

Step-by-step explanation:

Area of a circle:

\pi * r^2

Diameter is twice the radius, so the radius is 20 ft.

Thus the area of grass is 400pi

Varvara68 [4.7K]4 years ago
4 0

Answer:

The answer is D

Step-by-step explanation:

You are basically looking for the area of this circle, the formula would be A=Pi*r^2. So plug the values in and it would be, A=3.14*400, we know the radius is 20 because the diameter is double that, and square the radius, this gives you 400.

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stiks02 [169]
Hi there!

Since there is a 50% chance of any coin landing on heads and a 50% chance of any coin landing on tails, the chance that all 3 coins land on either heads or tails (the same side) is 50% * 50% * 50%.

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3 years ago
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Step-by-step explanation:

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3 years ago
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gladu [14]
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8 0
4 years ago
Again, please help. i dont know any of this
Levart [38]

\textrm {Cylinder volume :}

\mathrm {Volume = \pi r^{2}{h}}

\mathrm {Volume = 3.14 \times (\frac{4}{2})^{2} \times 3}

\mathrm {Volume = 3.14 \times 12}

\mathrm {Volume = 37.68cm^{3}}

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\mathrm {Volume = 6 \times 5 \times 7}

\mathrm {Volume = 30 \times 7}

\mathrm {Volume = 210cm^{3}}

\textrm {Total volume of composite figure :}

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\mathrm {247.68cm^{3}}

4 0
2 years ago
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Schach [20]

Answer:

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Step-by-step explanation:

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3 years ago
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